Details
| Originalsprache | Englisch |
|---|---|
| Titel des Sammelwerks | IEEE EUROCON 2009, EUROCON 2009 |
| Seiten | 1578-1583 |
| Seitenumfang | 6 |
| Publikationsstatus | Veröffentlicht - 21 Juli 2009 |
| Veranstaltung | IEEE EUROCON 2009, EUROCON 2009 - St. Petersburg, Russland Dauer: 18 Mai 2009 → 23 Mai 2009 |
Publikationsreihe
| Name | IEEE EUROCON 2009, EUROCON 2009 |
|---|
Abstract
Comprehensive knowledge of the heat and mass transfer processes in the melt of induction applications is required to realize efficient metallurgical processes. Experimental and numerical studies of the melt flow in induction furnaces show that the flow pattern, which comprise several vortexes of the mean flow, and the temperature distribution in the melt are significantly influenced by low-frequency large scale flow oscillations. Two-and three-dimensional hydrodynamic calculations of the melt flow, using two-equation turbulence models based on Reynolds Averaged Navier- Stokes approach, do not predict the large scale periodic flow instabilities obtained from the experimental data. That's why the Large Eddy Simulation (LES) numerical technique was approved to be an alternative for the various k- model modifications. The results of the transient 3D LES simulation of the turbulent melt flow revealed the large scale periodic flow instabilities and the temperature distribution in the melt, which both are in good agreement with the expectations based on the data from the experiments. The studies, presented in this paper, demonstrate the possibility of using the threedimensional transient LES approach for successful simulation of heat and mass transfer processes in metallurgical applications.
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IEEE EUROCON 2009, EUROCON 2009. 2009. S. 1578-1583 5167852 (IEEE EUROCON 2009, EUROCON 2009).
Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review
}
TY - GEN
T1 - Numerical simulation and analysis of heat and mass transfer processes in metallurgical induction applications
AU - Baake, Egbert
AU - Umbrashko, Andrejs
AU - Jakovics, Andris
PY - 2009/7/21
Y1 - 2009/7/21
N2 - Comprehensive knowledge of the heat and mass transfer processes in the melt of induction applications is required to realize efficient metallurgical processes. Experimental and numerical studies of the melt flow in induction furnaces show that the flow pattern, which comprise several vortexes of the mean flow, and the temperature distribution in the melt are significantly influenced by low-frequency large scale flow oscillations. Two-and three-dimensional hydrodynamic calculations of the melt flow, using two-equation turbulence models based on Reynolds Averaged Navier- Stokes approach, do not predict the large scale periodic flow instabilities obtained from the experimental data. That's why the Large Eddy Simulation (LES) numerical technique was approved to be an alternative for the various k- model modifications. The results of the transient 3D LES simulation of the turbulent melt flow revealed the large scale periodic flow instabilities and the temperature distribution in the melt, which both are in good agreement with the expectations based on the data from the experiments. The studies, presented in this paper, demonstrate the possibility of using the threedimensional transient LES approach for successful simulation of heat and mass transfer processes in metallurgical applications.
AB - Comprehensive knowledge of the heat and mass transfer processes in the melt of induction applications is required to realize efficient metallurgical processes. Experimental and numerical studies of the melt flow in induction furnaces show that the flow pattern, which comprise several vortexes of the mean flow, and the temperature distribution in the melt are significantly influenced by low-frequency large scale flow oscillations. Two-and three-dimensional hydrodynamic calculations of the melt flow, using two-equation turbulence models based on Reynolds Averaged Navier- Stokes approach, do not predict the large scale periodic flow instabilities obtained from the experimental data. That's why the Large Eddy Simulation (LES) numerical technique was approved to be an alternative for the various k- model modifications. The results of the transient 3D LES simulation of the turbulent melt flow revealed the large scale periodic flow instabilities and the temperature distribution in the melt, which both are in good agreement with the expectations based on the data from the experiments. The studies, presented in this paper, demonstrate the possibility of using the threedimensional transient LES approach for successful simulation of heat and mass transfer processes in metallurgical applications.
KW - Induction melting
KW - Large eddy simulation
KW - Metallurgical processes
KW - Numerical modelling
UR - http://www.scopus.com/inward/record.url?scp=70449674538&partnerID=8YFLogxK
U2 - 10.1109/EURCON.2009.5167852
DO - 10.1109/EURCON.2009.5167852
M3 - Conference contribution
AN - SCOPUS:70449674538
SN - 9781424438617
T3 - IEEE EUROCON 2009, EUROCON 2009
SP - 1578
EP - 1583
BT - IEEE EUROCON 2009, EUROCON 2009
T2 - IEEE EUROCON 2009, EUROCON 2009
Y2 - 18 May 2009 through 23 May 2009
ER -